what you said you said what这2句有区别吗?

what you said you said what这2句有区别吗?
what you said you said what
这2句有区别吗?

what you said you said what这2句有区别吗?
需要结合具体语境,是问句还是陈述句还是分句等等.一般来说第一句常用.

一个是你说了得什么
后者是你说了些什么